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The NYC 399Z form is an important document for businesses operating in New York City, particularly those claiming depreciation deductions for certain types of property. This form is specifically designed for corporations and unincorporated businesses that file various tax returns, including NYC-3A, NYC-3L, or NYC-4S. It addresses depreciation adjustments for qualified property acquired after September 10, 2001, and sets forth specific rules regarding deductions for sport utility vehicles (SUVs). The form consists of several schedules, each serving a distinct purpose. Schedule A1 computes allowable New York City depreciation for the current year, while Schedule A2 focuses on deductions for SUVs. Schedule B is used to report any disposition adjustments, and Schedule C calculates adjustments to New York City income. The NYC 399Z form is crucial for ensuring compliance with the city’s tax regulations and accurately reporting depreciation deductions, especially in light of the unique rules surrounding qualified Resurgence Zone properties and the limitations on SUV deductions. Understanding the nuances of this form can significantly impact a business’s financial reporting and tax obligations.

Similar forms

  • Form 4562: This federal form is used to claim depreciation and amortization deductions. Similar to the NYC 399Z, it requires taxpayers to provide information about the property, including its cost and the method of depreciation. Both forms aim to calculate allowable deductions based on specific property classifications.

  • Schedule C (Form 1040): This schedule is utilized by sole proprietors to report income and expenses from a business. Like the NYC 399Z, it includes adjustments to income, which may involve depreciation deductions. Both documents require detailed financial records to substantiate claims.

  • Form 8829: This form allows for the deduction of expenses for business use of a home. It shares similarities with the NYC 399Z in that both require taxpayers to detail the property used in business operations and calculate allowable deductions based on specific criteria.

  • Form 4797: This form is used to report the sale of business property. Like the NYC 399Z, it involves adjustments to gain or loss calculations based on prior depreciation deductions. Both forms require careful consideration of how property was used and how it affects tax liabilities.

  • Form 8824: This form is for like-kind exchanges of property. It is similar to the NYC 399Z in that it involves adjustments related to property transactions and depreciation. Both forms necessitate a thorough understanding of the property’s basis and how exchanges affect tax obligations.

  • Form 1065: Partnerships use this form to report income, deductions, and other tax-related information. The NYC 399Z parallels it by requiring detailed reporting of property and depreciation deductions, as both forms aim to ensure accurate tax reporting and compliance.

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*00612291*

-399Z

DEPRECIATION ADJUSTMENTS FOR

 

CERTAIN POST 9/10/01 PROPERTY

 

 

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Form NYC-399Z

Page 2

 

 

SCHEDULE B

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SCHEDULE C

Computation of adjustments to New York City income

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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*00622291*

00622291

GENERAL INFORMATION

The NewYork CityAdministrative Code, as amended pursuant to the authority granted under Part G of Chapter 93 of the Laws of 2002, limits the depreciation deduction for "qualified prop- erty," other than "qualified Resurgence Zone property," to the deduction that would have been allowed for such property under IRC §167 had the property been acquired by the tax- payer on September 10, 2001, and therefore, not been eligible for the enhanced deductions allowed by the IRC §168(k). "Qualified Resurgence Zone property" is "qualified property" used substantially in the Resurgence Zone in connection with the active conduct of a trade or business where the original use began with the taxpayer in the Resurgence Zone after Sep- tember 10, 2001. The Resurgence Zone (defined in sections 11-507(22), 11-602.8(m) and 11-641(p) of theAdministrative Code) generally encompasses the area in Manhattan between Canal Street and Houston Street. The Administrative Code also requires appropriate adjustments to the amount of any

gain or loss included in entire net income or unincorporated business entire net income upon the disposition of any property for which the federal and New York City depreciation deduc- tions differ.

NOTE

Deductions for "qualified Resurgence Zone property," are not affected by the above decoupling provisions other than for cer- tain sport utility vehicles. The additional first-year expense deductions under IRC §179 also are not affected other than for certain sport utility vehicles. See below.

NOTE

Any exceptions to the decoupling provisions provided in the Administrative Code for Qualified New York Liberty Zone property or Qualified New York Liberty Zone leasehold im- provements as defined in IRC §1400L have expired.

Form NYC-399Z

Page 3

 

 

Economic StimulusAct of 2008 and

Other Federal Legislation Effecting Depre-

ciation.

Section 102 of the Economic Stimulus Act of 2008, Pub.L. No. 110-185, 122 Stat. 613 (Feb. 13, 2008) amended IRC section 168(k). As amended, section 168(k)(1)(A) provided a 50- percent additional first year depreciation de- duction for certain new property acquired by the taxpayer after December 31, 2007, and be- fore January 1, 2009 (in the case of certain property, before January 1, 2010), so long as no written binding contract for the acquisition of the property existed prior to January 1, 2008. Since then, the bonus depreciation provisions have been extended with certain modifications by subsequent federal legislation.

In 2015, Section 143 of the Protecting Ameri- cans from Tax Hikes Act of 2015, Pub. L. No. 114-113, Div Q (December 18, 2015) (“2015 PATH Act”) extended bonus depreciation so that it was available for property acquired and placed in service during 2015-2019; bonus de- preciation was extended through 2020 for cer- tain property with a longer production period. Under the 2015 PATH Act, the bonus depreci- ation is 50% for property placed in service dur- ing 2015-2017, 40% for property placed in service during 2018, and 30% for property placed in service during 2019.

Most recently, section 13201(b) of theTax Cuts and Jobs Act of 2017 (“TCJA”) extended the bonus depreciation deduction to cover property placedinservicebeforeJanuary1,2027(except for aircraft and log-production period property had to be placed into service before January 1, 2028.) Pursuant to section 13201(a) of the TCJA, for property placed in service after Sep- tember 27, 2017, the bonus depreciation rate was raised to 100% with the phase-down to begin in 2023. The taxpayer can elect to apply a 50% depreciation rate for property placed in service in the taxpayer’s first tax year ending after September 27, 2017. The phase-down of the bonus depreciation enacted under the 2015 PATH is still applicable for property acquired before September 28, 2017. Thus, for property acquired before September 28, 2017 and placed in service in service in 2018, the bonus depre- ciation is 40% and 30% for property placed in service in 2019 with no bonus depreciation for property placed in service after 2019.

Under the TCJA, the first year depreciation limit increase of $8,000 for passenger automo- biles under §280(F)(a)(1)(A) is extended to in- clude automobiles placed in service on or before December 31, 2026. Prior to that, in order to qualify for the $8,000 increase in bonus depreciation, the passenger automobile would have had to been placed into service on or before December 31, 2019. This extension of the placed in service deadline only applies

to automobiles acquired on or after September 28, 2017. However, if the passenger automo- biles was acquired before September 28, 2018, the first year additional depreciation is phased down to $6,400 in the case of an automobile placed in service during 2018 and to $4,800 in the case of automobile placed in service during 2019.

However, as discussed above the Administra- tive Code limits the depreciation for “qualified property” other than “Qualified Resurgence Zone property” to the deduction that would have been allowed for such property had the property been acquired by the taxpayer on Sep- tember 10, 2001, and therefore, except for Qualified Resurgence Zone property, as de- fined in the Administrative Code, the City has decoupled from the federal bonus depreciation provision. The Administrative Code also re- quires appropriate adjustments to the amount of any gain or loss included in entire net in- come or unincorporated business entire net in- come upon the disposition of any property for which the federal and New York City depreci- ation deductions differ.

Special Provisions for Certain Sport Utility

Vehicles for Tax Periods Beginning on or

AfterJanuary 1, 2004

Under Section 280F of the Internal Revenue Code, the federal depreciation deduction under sections 167 and 168 of the Internal Revenue Code and the expense in lieu of depreciation deduction under section 179 of the Internal Revenue Code for certain passenger automo- biles are generally limited to the amounts pro- vided in section 280F(a)(1) of the Internal Revenue Code. Congress passed legislation that limits the amount deductible for certain sport utility vehicles. That legislation does not affect the modifications required for City tax purposes described below. For tax years begin- ning on or after January 1, 2004, in determining ENI of taxpayers, other than eligible farmers (for purposes of the New York State farmers' school tax credit), the amount allowed as a de- duction for NewYork City purposes (for either depreciation or expense in lieu of depreciation) with respect to a sport utility vehicle (SUV) that is NOT a passenger automobile for pur- poses of section 280F(d)(5) of the Internal Rev- enue Code is limited to the amount that would be allowed under section 280F(a)(1) of the In- ternal Revenue Code if the vehicle were a pas- senger automobile as defined in section 280F(d)(5). For all SUVs subject to these spe- cial provisions, the amount allowed as a de- duction is calculated as of the date the SUV was actually placed in service and not as of September 10, 2001. (The date that is applica- ble to qualified property, other than qualified Resurgence Zone property and New York Lib- erty Zone property, under the general post- 9/11/01 decoupling provisions).

On the disposition of an SUV subject to this limitation, the amount of any gain or loss in- cluded in ENI must be adjusted to reflect the limited deductions allowed for City purposes under this provision. See Finance Memoran- dum 22-1, “Application of IRC §280F Limits to Sport Utility Vehicles”.

Coordination of Federal depreciation and City decoupling provisions with respect to SUVs

As discussed above, the Economic Stimulus Act of 2008 amended IRC section 168(k) to provide bonus depreciation for certain property acquired in 2008. The Act also amended §168(k)(2)(F)(i) to increase the first year de- preciation allowed under §280F(a)(1)(A) by $8,000 for passenger automobiles to which the 50-percent additional first year depreciation de- duction applies. Subsequent federal legislation also extended and expanded the first year bonus depreciation provisions as described above. Consequently, the years in which the first year depreciation for passenger automo- biles under §280F(a)(1)(A) is increased by $8,000 have also been extended. However, the Economic Stimulus Act and the subsequent federal legislation described above will only af- fect the applicable City SUV limits with re- spect to the recovery of costs of Qualified Resurgence Zone property under the Unincor- porated BusinessTax (UBT) and the BankTax. Pursuant to the generally applicable decoupling provisions discussed on pages 2 and 3 of this form, bonus depreciation under IRC 168(k) is only available for Qualified Resurgence Zone property. For GCT and the Business Corpora- tion Tax purposes, SUVs cannot qualify as Qualified Resurgence Zone property. See Ad- ministrative Code §§ 11-602(8)(k), 11- 652(8)(k), 11-602(8)(o) and 11-652(8)(o). Therefore, under the GCT and the Business Corporation Tax no bonus depreciation is per- mitted for SUVs. For UBT and Bank Tax pur- poses, with respect to SUV’s placed into service after December 31, 2007 and before January 1, 2027, bonus depreciation is avail- able only for SUVs that are “Qualified Resur- gence Zone property.” See Finance Memorandum 22-1 for more information.

WHO MUSTUSETHIS FORM

A corporation or unincorporated business that files or is included in a

NYC-3A, NYC-3L or NYC-4S General Business Corporations

NYC-202, NYC-202EIN or NYC-204 Un- incorporated Businesses

NYC-1 Banking Corporations

NYC-2, NYC-2Aor NYC-2S Business Cor- porations

Form NYC-399Z

Page 4

 

 

must use Form NYC-399Z if:

1)it claims for federal purposes a deprecia- tion deduction for "qualified property" pursuant to the Economic StimulusAct of 2008, or subsequent federal legislation including the 2015 PATH Act or TCJA other than “Qualified Resurgence Zone property.”

2)it is not an eligible farmer (for purposes of the NewYork State farmers' school tax credit) and it claims for federal purposes a depreciation deduction or an expense deduction in lieu of depreciation deduc- tion under section 179 of the Internal Revenue Code for an SUV that is NOT a passenger automobile for purposes of sec- tion 280F(d)(5) of the Internal Revenue Code (regardless of whether the SUV is “qualified property” under IRC §168(k).

NOTE

Corporations and unincorporated businesses meeting the criteria set forth in #1 or #2 above are not permitted to file on Form NYC-4S EZ (General CorporationTax) or Form NYC-202S (Unincorporated Business Tax).

SPECIFIC INSTRUCTIONS

SCHEDULE A1

The purpose of this schedule is to compute the allowableNewYorkCitydepreciationdeduction. This form has been designed to be used with the federal depreciation schedule, Form 4562 (Rev. March2002orlater). Acopyofthefederalform must accompany this Form NYC-399Z. Tax- payers with SUVs subject to the special provi- sionsuseScheduleA2andnotScheduleA1. Do notcompleteScheduleA1unlessyouhaveprop- erty other than an SUV subject to the general post-9/11/01 decoupling provisions.

Column A

Enter a brief description of each item of “qual- ified property,” other than “qualified Resur- gence Zone property,” included in part II or III of federal Form 4562.

Column B

For each item of property listed in column A, indicate the property class type used in com- puting the federal deduction. Use “UPM” for property which is depreciated under the unit of production method provided in IRC §168(f)(1).

ColumnD

The cost or other basis entered in this column must be the same amount used for federal pur- poses prior to any reduction for the special de- preciation allowance for qualified property.

ColumnG

total amount that may be deducted for New

Indicate the depreciation method selected for

York City purposes in the current tax year for

the computation of the New York City allow-

an SUV subject to the special provisions. See

able depreciation deduction.Any method used

Finance Memorandum 22-1, “Application of

to compute depreciation that would have been

IRC §280F Limits to Sport Utility Vehicles”.

allowed under IRC §167, had the property been

 

 

 

 

acquired on September 10, 2001, will be ac-

SCHEDULE B

ceptable. This includes such methods as

 

 

 

 

straight-line depreciation, declining balance

Column A

 

depreciation, sum-of-the-years-digits method

Enter each item of property disposed of during

or any other consistent method.

the taxable year separately.Attach a rider if ad-

 

ditional room is needed.

Column I

 

 

 

 

Enter depreciation computed by the method in-

Column D

 

dicated in column G computed as IRC §167

Enter for each item of property the total amount

would have applied had the property been ac-

of federal deductions used in the computation

quired on September 10, 2001. Total of this

of prior years’ federal taxable income. For an

column will be the amount allowable as a de-

SUV subject to the special provisions, the

duction for New York City.

amount entered in Column D should include

any amount deducted under section 179 of the

 

LINE 1a

Internal Revenue Code.

 

 

 

 

Enter total of columns F and I on lines 4 and 5

Column E

 

of Schedule C, as indicated.

 

Enter for each item of property the total amount

 

If you have disposed of “qualified property”

of New York City deductions used in the com-

other than “qualified Resurgence Zone prop-

putation of prior years’ New York City entire

erty,” in any year after the year of acquisition,

net income.

 

you must complete Schedule B.

Column F

 

 

 

SCHEDULEA2

For any item of property, if column D exceeds

column E, subtract column E from column D

 

ColumnA

and enter the excess in this column.

 

 

 

 

Enter the year, make and model for each SUV.

Column G

 

ColumnB

For any item of property, if column E exceeds

column D, subtract column D from column E

Indicate the property class type used or that

and enter the excess in this column.

would be used in computing federal deprecia-

 

 

 

 

tion for each SUV.

LINE 2

 

 

 

 

 

 

 

ColumnD

Add the amounts in column F and enter the

total on line 2 and on Schedule C, line 7a.

The amount entered in this column must be

 

 

 

 

equal to the cost or other basis used for federal

LINE 3

 

 

 

purposes prior to any special depreciation al-

Add the amounts in column G and enter the

lowances for qualified property and prior to the

total on line 3 and on Schedule C, line 7b.

expense in lieu of depreciation deduction al-

 

 

 

 

lowed under section 179 of the Internal Rev-

SCHEDULE C

enue Code.

 

 

 

 

 

LINE 8

 

 

 

ColumnE

Enter the amount on line 8A as an addition on

Enter the total New York City depreciation

the applicable New York City tax return. Use

taken in prior years including, for years prior

the following lines. Attach an explanation.

to 2018, the amount of any deduction taken

 

 

 

 

under section 179 of the Internal Revenue

NYC-3A- Schedule B, line 6c*

Code for New York City purposes.

NYC-3L -

Schedule B, line 6c

 

ColumnF

NYC-4S

-

Schedule B, line 4

For each SUV, enter the sum of the amount of

NYC-202

-

Schedule B, line 10c

the federal depreciation deduction taken and

NYC-202EIN - Schedule B, line 10c

amount of any federal expense in lieu of de-

preciation deduction taken under section 179

NYC-204

-

Schedule B, line 14c

of the Internal Revenue Code for the current

NYC-1

-

Schedule B, line 8

tax period.

NYC-2

-

Schedule B, line 11

 

ColumnI

NYC-2A - Schedule B, Line 11**

The amount entered in column I should be the

NYC-2S

-

Schedule B, Line 6

Form NYC-399Z

Page 5

 

 

Enter the amount on line 8B as a deduction on the applicable New York City tax return. Use the following lines. Attach an explanation.

NYC-3A - Schedule B, line 15*

NYC-3L - Schedule B, line 15

NYC-4S - Schedule B, line 6b

NYC-202 - Schedule B, line 15

NYC-202EIN - Schedule B, line 15

NYC-204 - Schedule B, line 19

NYC-1 - Schedule B, line 15

NYC-2 - Schedule B, line 19

NYC-2A - Schedule B, Line 19**

NYC-2S - Schedule B, Line 9

*If this form is for the reporting corporation, enter amounts on the appropriate lines in Col- umnA. For any other member of the combined group, enter amounts on the appropriate lines on Form NYC-3A/B in the column for the cor- poration. If there is only one member of the combined group, enter amounts on the appro- priate lines on Form NYC-3A, column B.

**If this form is for the designated agent, enter amounts in the appropriate column. For any other member of the combined group, enter amounts on the appropriate lines on Form NYC-2A/BC and include on Form NYC-2Ain column entitled “Total ofAllAffiliates”.

Common mistakes

Filling out the NYC 399Z form can be a complex process, and mistakes can lead to issues with tax deductions. One common error is failing to provide accurate descriptions of the property. Each item listed in the form should have a clear and concise description. If the description is vague or missing, it can result in delays or denials of deductions. It’s important to be specific about the type of property and its use to ensure compliance.

Another frequent mistake involves incorrect calculations of depreciation. Taxpayers often miscalculate the allowable depreciation based on the method they choose. The form requires that the depreciation method used aligns with federal guidelines, specifically IRC §167. If the calculations are off, it can lead to either underreporting or overreporting of deductions, which can trigger audits or penalties.

In addition, many individuals overlook the requirement to attach necessary riders. If you are using Schedule A1 or A2, additional documentation may be required to support your claims. Neglecting to include these attachments can result in the form being deemed incomplete. Always double-check to ensure all required documents accompany your submission.

Lastly, failing to keep track of prior year deductions can lead to confusion. Taxpayers sometimes forget to include the total New York City depreciation taken in previous years. This oversight can affect the current year’s calculations and lead to discrepancies. Maintaining accurate records of past deductions is crucial for ensuring that the current filing is correct.

More About Nyc 399Z

  1. What is the NYC 399Z form?

    The NYC 399Z form is a tax form used by corporations and unincorporated businesses in New York City to report depreciation adjustments for certain properties acquired after September 10, 2001. It is specifically designed for taxpayers claiming depreciation deductions for "qualified property" under federal law, while accounting for New York City's unique tax regulations.

  2. Who must use the NYC 399Z form?

    Any corporation or unincorporated business that files specific NYC tax forms, such as NYC-3A, NYC-3L, or NYC-4S, must use the NYC 399Z form if they claim a depreciation deduction for "qualified property" under the Economic Stimulus Act of 2008 or subsequent federal legislation. Additionally, businesses claiming deductions for certain sport utility vehicles (SUVs) that are not classified as passenger automobiles must also file this form.

  3. What types of properties does the NYC 399Z form address?

    The form addresses "qualified property" that is subject to depreciation, excluding "Qualified Resurgence Zone property." It also covers specific adjustments related to sport utility vehicles, particularly those that do not qualify as passenger automobiles under federal tax law.

  4. What are the schedules included in the NYC 399Z form?

    The NYC 399Z form includes several schedules:

    • Schedule A1: Computation of allowable New York City depreciation for the current year.
    • Schedule A2: Computation of NYC deductions for the current year for sport utility vehicles.
    • Schedule B: Disposition adjustment for property disposed of during the taxable year.
    • Schedule C: Computation of adjustments to New York City income.
  5. How does the NYC 399Z form relate to federal depreciation rules?

    The NYC 399Z form is designed to align with federal depreciation rules while also incorporating specific New York City tax adjustments. For example, New York City limits depreciation deductions for qualified property to what would have been allowed under federal law as of September 10, 2001. This means that the city has decoupled from certain federal bonus depreciation provisions, affecting how taxpayers report depreciation on their NYC tax returns.

  6. What are the special provisions for sport utility vehicles (SUVs)?

    For tax periods beginning on or after January 1, 2004, the NYC 399Z form imposes specific limitations on the depreciation deductions for SUVs that are not classified as passenger automobiles. The allowable deduction is calculated based on the limits set for passenger automobiles under federal law, and adjustments must be made when reporting gains or losses upon the disposition of these vehicles.

  7. What documentation is required when filing the NYC 399Z form?

    Taxpayers must attach a copy of the federal depreciation schedule, Form 4562, when filing the NYC 399Z form. Additionally, if there are more items than can be accommodated on the form, a rider should be included to provide the necessary information.

  8. What should taxpayers do if they have questions about completing the form?

    If taxpayers have questions regarding the completion of the NYC 399Z form, they should consult the instructions provided with the form. Additionally, they may seek advice from a tax professional or contact the New York City Department of Finance for further assistance.

  9. Where can taxpayers find the NYC 399Z form?

    The NYC 399Z form can be obtained from the New York City Department of Finance website. Taxpayers can download the form and its instructions directly from the site, ensuring they have the most current version available for filing.

Misconceptions

  • Misconception 1: The NYC 399Z form is only for large corporations.

    This is not true. The NYC 399Z form is required for both corporations and unincorporated businesses that claim depreciation deductions for qualified property. It includes various business entities, not just large corporations.

  • Misconception 2: The NYC 399Z form can be filed without any attachments.

    In fact, the NYC 399Z form typically requires attachments, such as a copy of the federal depreciation schedule (Form 4562). These documents provide necessary details for the deductions being claimed.

  • Misconception 3: All types of property qualify for deductions under the NYC 399Z form.

    Not all property qualifies. The form specifically addresses "qualified property" and has unique rules for "qualified Resurgence Zone property." Understanding these distinctions is crucial for accurate filing.

  • Misconception 4: Filing the NYC 399Z form guarantees maximum depreciation deductions.

    While the form is essential for claiming deductions, it does not automatically ensure the maximum allowable amount. Deductions depend on various factors, including the type of property and the applicable tax regulations.

Key takeaways

  • Understand the purpose of the NYC 399Z form. It is specifically designed for businesses claiming depreciation deductions for certain properties acquired after September 10, 2001, particularly in connection with the Economic Stimulus Act of 2008 and subsequent legislation.

  • Ensure you are eligible to use this form. Corporations and unincorporated businesses that file NYC-3A, NYC-3L, NYC-4S, NYC-202, or NYC-204 must use the NYC 399Z if they claim federal depreciation deductions for qualified property.

  • Complete Schedule A1 carefully. This section computes the allowable New York City depreciation deduction for qualified property. Ensure to attach a copy of the federal Form 4562 as it is required.

  • Utilize Schedule A2 for sport utility vehicles (SUVs). This schedule is specifically for SUVs that do not qualify as passenger automobiles under federal guidelines. Be precise in detailing the year, make, and model of each SUV.

  • Adjustments are crucial. If you dispose of qualified property, complete Schedule B to determine any differences in deductions between federal and New York City calculations. This is essential to ensure compliance and accuracy in your tax filings.

Nyc 399Z: Usage Guide

Completing the NYC 399Z form is a crucial step for businesses claiming depreciation deductions for qualified property in New York City. This form requires careful attention to detail to ensure that all calculations and entries are accurate. Below are the steps to guide you through filling out the form effectively.

  1. Identify the Tax Year: At the top of the form, indicate whether you are filing for the calendar year or a fiscal year. Fill in the beginning and ending dates accordingly.
  2. Schedule A1: If you have property other than SUVs, use this schedule to compute allowable New York City depreciation. List each item of qualified property in Column A, followed by its property class in Column B. Enter the cost in Column D.
  3. Schedule A2: For sport utility vehicles, provide the year, make, and model in Column A. Indicate the property class type in Column B. Enter the cost in Column D.
  4. Schedule B: If you disposed of any property, list each item separately. Enter the federal deductions used in prior years in Column D and the New York City deductions in Column E.
  5. Calculate Adjustments: For each item listed, subtract the New York City deductions from the federal deductions to find any excess. Enter these amounts in Columns F and G as appropriate.
  6. Schedule C: Transfer totals from Schedule A and B to compute adjustments to New York City income. Follow the instructions for entering amounts on the applicable lines.
  7. Review and Attach: Double-check all entries for accuracy. Attach any necessary riders or explanations if additional space is needed or if there are special circumstances related to your deductions.
  8. Submit the Form: Once completed, file the NYC 399Z form along with your other tax returns as required.

After filling out the NYC 399Z form, ensure that you keep a copy for your records. It’s essential to be prepared for any questions or audits that may arise regarding your deductions. Filing accurately helps maintain compliance and avoids potential penalties.